linux-kernel - Re: Suspend to disk: do we HAVE to use swap?

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Date:	Tue, 31 Oct 2006 19:05:33 +0000
From:	Alistair John Strachan <s0348365@....ed.ac.uk>
To:	Luca Tettamanti <kronos.it@...il.com>
Cc:	linux-kernel@...r.kernel.org,
	John Richard Moser <nigelenki@...cast.net>,
	"Rafael J. Wysocki" <rjw@...k.pl>
Subject: Re: Suspend to disk:  do we HAVE to use swap?

On Tuesday 31 October 2006 17:40, Luca Tettamanti wrote:
> Alistair John Strachan <s0348365@....ed.ac.uk> ha scritto:
> > On Tuesday 31 October 2006 06:16, Rafael J. Wysocki wrote:
> > [snip]
> >
> >> However, we already have code that allows us to use swap files for the
> >> suspend and turning a regular file into a swap file is as easy as
> >> running 'mkswap' and 'swapon' on it.
> >
> > How is this feature enabled? I don't see it in 2.6.19-rc4.
>
> Swap files have been supported for ages. suspend-to-swapfile is very
> new, you need a -mm kernel and userspace suspend from CVS:
> http://suspend.sf.net

I know, I use swap files, and not a partition. This has prevented me from 
using suspend to disk "for ages". ;-)

Is userspace suspend REQUIRED for this feature?

-- 
Cheers,
Alistair.

Final year Computer Science undergraduate.
1F2 55 South Clerk Street, Edinburgh, UK.
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